CodeIgniter Framework Questions for Interview

CodeIgniter provides a rich set of libraries. It is an essential part of CodeIgniter as it increases the developing speed of an application. It is located in the system/library. It can be loaded as follows, $this->load->library(‘class_name’); In CodeIgniter, libraries are collections of classes and functions that provide specific functionality which can be reused throughout your … Read more

To load multiple helper files, specify them in an array, $this->load->helper( array(‘helper1’, ‘helper2’, ‘helper3’) ); In CodeIgniter, you can load multiple helper files by using the helper() function within your controller or wherever you need to load the helper files. Here’s the correct approach: phpCopy code // Load multiple helper files $this->load->helper(array(‘helper1’, ‘helper2’, ‘helper3’)); Replace … Read more

Helpers are the group of functions that are used to assist the user to perform specific tasks. URL Helpers: used to create the links. Text Helpers: used for text formatting. Cookies Helpers: used for reading and setting cookies. In CodeIgniter, a helper is a collection of utility functions that can be used across the application. … Read more

The Second segment of URI determines which method is being called. If you want to override it, you can use _remap() method. The _remap method always get called even if URI is different. It overrides the URI. For Example: public function _remap($methodName) { if ($methodName === ‘a_method’) { $this->method(); } else { $this->defaultMethod(); } } … Read more

In CodeIgniter, Inhibitor is an error handler class that uses native PHP functions like set_exception_handler, set_error_handler, register_shutdown_function to handle parse errors, exceptions, and fatal errors. In the context of CodeIgniter, an “inhibitor” doesn’t seem to be a common term or concept. It’s possible that the term was misheard or misinterpreted. However, if we are discussing … Read more